<style>
    img {
        width: 100%;
    }
</style>

<img src="./imgs/loading.gif" data-src="./imgs/img1.jpg" alt="">
<img src="./imgs/loading.gif" data-src="./imgs/img2.jpg" alt="">
<img src="./imgs/loading.gif" data-src="./imgs/img3.gif" alt="">
<img src="./imgs/loading.gif" data-src="./imgs/img4.gif" alt="">
<img src="./imgs/loading.gif" data-src="./imgs/img5.jpg" alt="">


<script src="./jq.js"></script>
<script src="./lazyload.js"></script>
<script>
$('img').lazyLoad()
</script>
